Snow thrower



FIG. 1 is a perspective view of a snow thrower showing my new design.

FIG. 2 is a front elevation view of FIG. 1.

FIG. 3 is a rear elevation view of FIG. 1.

FIG. 4 is a side elevation view of FIG. 1.

FIG. 5 is an opposite side elevation of FIG. 1.

FIG. 6 is a top plan view of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

The broken lines shown in the figures are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a snow thrower, as shown and described. 